Medically Unexplained Symptoms among Adults from Russia: An Assessment using the Patient Health Questionnaire-15.

IF 1.1 Q3 PSYCHOLOGY, MULTIDISCIPLINARY

Psychology in Russia-State of the Art Pub Date : 2023-06-15 eCollection Date: 2023-01-01 DOI:10.11621/pir.2023.0203

Alena A Zolotareva

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Abstract

Background: The Patient Health Questionnaire-15 (PHQ-15) is one of the most frequently used instruments to measure medically unexplained symptoms in the general population, as well as in groups of patients with mental and physical health problems.

Objective: This study aimed to examine the psychometric properties of the PHQ-15 in assessing a Russian community sample.

Design: A total of 1153 Russian adults age 18 or older participated in this cross-sectional study. They completed the Russian versions of the PHQ-15 and Symptom Check List-90-Revised, SCL-90-R (SCL-90-R). Exploratory and confirmatory factor analyses were used to examine the factor structure of the Russian PHQ-15, and multi-group confirmatory factor analyses were used to test measurement invariance across sex and age. Cronbach's alpha coefficients and Pearsons Correlation Coefficients were used to evaluate the internal reliability and convergent validity of the Russian PHQ-15.

Results: Exploratory factor analysis revealed a three-factor solution highlighting pain-fatigue, gastrointestinal, and cardiopulmonary symptoms. Confirmatory factor analysis confirmed a bifactor structure for the Russian PHQ-15 merging general and specific somatic symptoms. A multi-group confirmatory factor analysis showed partial invariance across sex and age. The Russian PHQ-15 demonstrated acceptable Cronbach's alpha coefficients ranging from 0.72 to 0.75 for specific factors and a good Cronbach's alpha for the total score (a = 0.85), proving the questionnaire's internal reliability. Finally, positive correlations between the PHQ-15 and SCL-90-R dimensions, and positive intercorrelations between PHQ-15 specific factors, suggested convergent validity.

Conclusion: The Russian PHQ-15 is a reliable and valid instrument for assessing medically unexplained symptoms in the general population. This instrument can be used in diagnostic and counseling settings.

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俄罗斯成年人的医学上未解释的症状：使用患者健康问卷进行的评估-15。

背景：患者健康问卷-15（PHQ-15）是衡量普通人群以及有心理和身体健康问题的患者群体中医学上无法解释的症状的最常用工具之一。目的：本研究旨在检验PHQ-15在评估俄罗斯社区样本中的心理测量特性。设计：共有1153名18岁或以上的俄罗斯成年人参与了这项横断面研究。他们完成了俄罗斯版本的PHQ-15和症状检查表-90-修订版，SCL-90-R（SCL-90-R）。探索性和验证性因素分析被用于检验俄罗斯PHQ-15的因素结构，多组验证性因子分析被用于测试跨性别和年龄的测量不变性。Cronbachα系数和Pearsons相关系数用于评估俄罗斯PHQ-15的内部可靠性和收敛有效性。结果：探索性因素分析揭示了一个突出疼痛疲劳、胃肠道和心肺症状的三因素解决方案。确证因子分析证实了俄罗斯PHQ-15合并一般和特定躯体症状的双因子结构。多组验证性因素分析显示，性别和年龄之间存在部分不变性。俄罗斯PHQ-15证明了特定因素的克朗巴赫α系数在0.72至0.75之间是可接受的，总分的克朗巴克α系数良好（a=0.85），证明了问卷的内部可靠性。最后，PHQ-15和SCL-90-R维度之间的正相关，以及PHQ-15特定因素之间的正相关性，表明了收敛有效性。结论：俄罗斯PHQ-15是评估普通人群中医学上无法解释的症状的可靠有效的仪器。该仪器可用于诊断和咨询环境。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Psychology in Russia-State of the Art PSYCHOLOGY, MULTIDISCIPLINARY-

CiteScore

2.00

自引率

11.10%

发文量

审稿时长

14 weeks

期刊介绍： Established in 2008, the Russian Psychological Society''s Journal «Psychology in Russia: State of the Art» publishes original research on all aspects of general psychology including cognitive, clinical, developmental, social, neuropsychology, psychophysiology, psychology of labor and ergonomics, and methodology of psychological science. Journal''s list of authors comprises prominent scientists, practitioners and experts from leading Russian universities, research institutions, state ministries and private practice. Addressing current challenges of psychology, it also reviews developments in novel areas such as security, sport, and art psychology, as well as psychology of negotiations, cyberspace and virtual reality. The journal builds upon theoretical foundations laid by the works of Vygotsky, Luria and other Russian scientists whose works contributed to shaping the psychological science worldwide, and welcomes international submissions which make major contributions across the range of psychology, especially appreciating the ones conducted in the paradigm of the Russian psychological tradition. It enjoys a wide international readership and features reports of empirical studies, book reviews and theoretical contributions, which aim to further our understanding of psychology.